The round robin groups at this year's ATP Finals in Torino.
The 18-year-old is putting on a show at the Next Gen ATP Finals.
The 2020 Australian Open titlist announced the news on her social media.
"For four days I was really sick. I couldn't move," Aryna Sabalenka said of her bout with Coronavirus.
The Spaniard's season has been a dream so far.
Players talked about the enormous challenge of playing at altitude ahead of the WTA Finals in Guadalajara.
Hall of Famer has tremendous respect for each Big 3 champion, but one holds a special place in her heart.
